Bones: lots of bones ... we found it guarded by a fiberglass Diprotodon. Diprotodon was most mega of the megafauna, the largest known marsupial ever to tread the Earth. Bulky and stubby-legged ...

Travouillon has found megafauna fossils, including Diprotodon, that have been dated ... "The tropics [are] terrible for our fossil record because bones don't preserve well," says Camens.